KOSPI Opens Firmly Above 4,150... KOSDAQ Also Posts Limited Gains

Buying and Selling Pressures Balanced Across Both Markets

Amid caution over the US Federal Reserve's key interest rate decision, both the KOSPI and KOSDAQ markets started the day on a firm note on December 10.

On the 10th, the KOSPI index opened at 4159.05, up 15.50 points from the previous trading day, with the domestic stock market status displayed on the electronic board in the dealing room of Hana Bank in Jung-gu, Seoul. On the same day, the won-dollar exchange rate started trading at 1470 won, down 2.3 won from the previous trading day. Photo by Kang Jinhyung, December 10, 2025

As of 9:18 a.m. on this day, the KOSPI was up 0.22% at 4152.61 compared to the previous trading day. The index opened at 4159.05, a 0.37% rise from the previous session, but has since narrowed its gains.

By investor type, foreign investors and institutions recorded net purchases of 91.5 billion won and 13.3 billion won, respectively, while individuals net sold 101.6 billion won.

A sector rotation is evident. The electrical & electronics and medical & precision equipment sectors are showing strength, each up 1.33%. Manufacturing (0.60%), machinery & equipment, electricity & gas (0.24%), and chemicals (0.22%) are also on the rise. In contrast, IT services (-1.26%), transportation equipment & parts (-1.12%), transportation & storage (-0.88%), textiles & apparel (-0.70%), securities (-0.65%), and pharmaceuticals (-0.64%) are declining.

Among the top stocks by market capitalization, performance is mixed. Samsung Electronics (0.28%), SK Hynix (3.18%), LG Energy Solution (0.23%), and Doosan Enerbility (0.78%) are rising, while Samsung Biologics (-1.20%), Hyundai Motor (-2.12%), HD Hyundai Heavy Industries (-0.17%), Hanwha Aerospace (-1.46%), and Kia (-1.05%) are falling.

At the same time, the KOSDAQ index stood at 931.75, up 0.04% from the previous session. The index opened at 932.37, a 0.11% increase from the previous trading day, and has since remained flat, moving sideways.

Individuals recorded net purchases of 159.6 billion won, while foreign investors and institutions net sold 91.9 billion won and 49.2 billion won, respectively, resulting in a balance between buying and selling pressure.

By sector, non-metallic minerals (0.94%), electrical & electronics (0.73%), paper & wood (0.49%), chemicals (0.36%), and manufacturing (0.32%) are posting small gains, while construction (-0.99%), transportation & storage (-0.92%), general services (-0.78%), and textiles & apparel (-0.66%) are declining.

Among the top 10 KOSDAQ stocks by market capitalization, except for Ecopro BM (0.16%), Peptron (0.56%), and Samchundang Pharm (3.74%), most are declining, including Alteogen (-1.20%), Ecopro (-0.25%), ABL Bio (-0.21%), Rainbow Robotics (-1.09%), Legochem Bio (-0.27%), Kolon TissueGene (-1.36%), and HLB (-1.93%).